TY - GENERIC DO - 10.20944/preprints202312.1471.v1 UR - http://dx.doi.org/10.20944/preprints202312.1471.v1 TI - Infrasonic Sound-Based Obstacle Detection System for the Visually Impaired T2 - Preprints AU - khan, kamil AU - Nabi, Sardar PY - 2023 DA - 2023/12/19 PB - Preprints